header {
  background-color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 9;
  width: 100%;
  height: 85px;
}

.box-active {
  transform: 1.5s;
  position: fixed;
  top: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.8) !important;
}

.box-active a,
p,
h1,
h2 {
  color: black !important;
}

.logo {
  padding-left: 150px;
  font-size: 34px;
  line-height: 50px;
  text-align: center;
  text-decoration: none;
  color: black;
  font-weight: normal;
}

.site-nav {
  margin-left: 30%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

ul {
  display: flex;
  padding: 0;
  margin: 0;
  list-style-type: none;
}

ul:hover li:not(:hover) a {
  opacity: 0.2;
}

ul li {
  position: relative;
  padding: 15px 20px 15px 20px;
  cursor: pointer;
}

ul li::after {
  position: absolute;
  content: "";
  top: 100%;
  left: 0;
  width: 100%;
  height: 2px;
  background: #3498db;
  transform: scaleX(0);
  transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

ul li:hover::after,
ul li.active::after {
  transform: scaleX(1);
}

ul li a {
  position: relative;
  display: flex;
  color: black;
  font-family: Lato, sans-serif;
  text-decoration: none;
  transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

aside {
  height: 990px;
}

footer {
  height: 500px;
}

#qqLogin {
  display: inline-block;
  line-height: 50px;
  margin-right: 150px;
}

.userImage {
  margin-top: 10px;
  border-radius: 50%;
}